Answer:
8 meters per second per second
Explanation:
Newton's second law: 
, force = mass multiplied by acceleration.
Therefore 56 / 7 = acceleration = 8
Answer:
A. The partial pressure for CH4 = 0.0925atm
B. The partial pressure for C2H6 = 0.925atm
C. The partial pressure for C3H8 = 0.346atm
D. The partial pressure for C4H10 = 0.115atm
Explanation:
Total pressure = 1.48atm
Total mole = 0.4+4+1.5+0.5=6.4
A. Mole fraction of CH4 = 0.4/6.4 = 0.0625
The partial pressure for CH4 = 0.0625 x 1.48 = 0.0925atm
B. Mole fraction of C2H6 = 4/6.4 = 0.625
The partial pressure for C2H6 = 0.625 x 1.48 = 0.925atm
C. Mole fraction of C3H8 = 1.5/6.4 = 0.234
The partial pressure for C3H8 = 0.234 x 1.48 = 0.346atm
D. Mole fraction of C4H10 = 0.5/6.4 = 0.078
The partial pressure for C4H10 = 0.078 x 1.48 = 0.115atm
2Ca+O2<span>➡2CaO
You need to balance it by adding a 2 as the coefficient on the Ca, then put 2 on the products side
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D. CH and C2H2
Both compounds have the empirical formula CH. The trick is to see if you can multiply one compound by a number to turn it into the other. In this case, you can multiply CH by 2 to make C2H2.
